Re: [mpls-linux-general] problem with iptables. Error invalid argument type.

[James R. L. <jl...@mi...>]

You might want to try netkit:

http://www.netkit.org/

On Tue, Aug 12, 2008 at 10:41:16PM +0200, =?ISO-8859-1?Q?Jes=FAs_Nubiola_ wrote:
> Hi all,
> 
> 
> I'm trying to make the scenario (QoS scenario) described in MPLS-Linux Labs
> by Adrian Popa with VNUML (
> http://www.dit.upm.es/vnumlwiki/index.php/Main_Page). I have a lot of
> problems to achieve a kernel that I can compile (a lot of problems with uml
> architecture). After aplying a lot of patches I finally be able to have a
> testbed with mpls support and a filesystem with debian. The only kernel that
> I can achieve to compile with uml and without errors is 2.6.18.1 (with mpls
> patched too) but the problem is that if I install iptables like it syas in
> http://www.elcom.pub.ro/~adrian.popa/mpls-linux/mpls-linux-docs/1-3-installation.html,
> then when I launch iptables  for example in:
> 
> var1=`mpls nhlfe add key 0 instructions ds2exp 0xf 0x1e  0x3  0x0 0x0 exp2tc
> 0x3 0x1  0x0 0x3 push gen 2000 nexthop eth3 ipv4 10.0.5.3 | grep key |cut -c
> 17-26`
> 
> #create a FEC: packets with DSCP=0x1E and DSCP=0x00 go to nhlfe $var1
> iptables -A FORWARD -m dscp --dscp 0x1e -j mpls --nhlfe $var1
> 
> it launches an error saying iptables: invalid argument type. I've been
> seeking in Google and I see that probably is because the rpm file that I've
> downloaded is for kernel 2.6.15.1 (like Adrian do in his manual) but
> actually I can't compile any kernel previosu than 2.6.18.1 (vnuml problems)
> and I dont know how to compile iptables for that version of Kernel. I try a
> lot of options, trying to install iptables in the filesystem with 'chroot',
> try to install when in the guest machine (run the virtual machines and
> trying to install iptables.deb in every machine)... but all have the same
> result. I try to know how to compile with that kernel support (2.6.18.1) or
> if there is a version of MPLS for that kernel with a .rpm or .deb packet of
> iptables.
> 
> The previous scenarios that don't use iptables run good in my mpls testbed
> and changing my virtualitzacion system is not an option becaus I have to do
> it with VNUML.
> 
> Thank you in advance for all advices,
> 
> regards

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-- 
James R. Leu
jl...@mi...